To cite package ‘fst’ in publications use:

  Klik M (2022). _fst: Lightning Fast Serialization of Data Frames_. R
  package version 0.9.9, <https://github.com/fstpackage/fst>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fst: Lightning Fast Serialization of Data Frames},
    author = {Mark Klik},
    year = {2022},
    note = {R package version 0.9.9},
    url = {https://github.com/fstpackage/fst},
  }